<http://schema.org/mainEntityOfPage>
<http://blogs.wsj.com/japanrealtime/2013/02/20/is-japan-too-fat-for-sumo/>
<http://blogs.wsj.com/japanrealtime/2013/02/20/is-japan-too-fat-for-sumo/?mod=WSJBlog&mod=japanblog>